福建龙岩大洋_莒舟花岗岩地球化学_年代学_铪同位素特征及其地质意义.pdf

第 44 卷 第 5 期 Vol.44, No.5, 450‒468 2015 年 9 月 GEOCHIMICA Sept., 2015 -、、 * 王 森, 张 达 , Absai Vatuva, 闫鹏程, 马 帅, 冯海滨, 宇腾达, 白 昱, 狄永军 (() , 100083) 摘 要: , , LA-MC-ICPMS U-PbLu-Hf , (136.2±0.9) Ma, (125.0±1.7) Ma, (132.0±0.2) Ma, (132.4±0.8) Ma , (KRbCsPb ), (NbTaZrCeTi ), , 92.76×10–6~176.26×10–6 –6 –6 116.63×10 ~213.95×10 , (δEu=0.01~0.54) Na O+K O Ga/Al Rb , Zr , ε (t) 2 2 Hf –16.47 ~ –5.95 –11.05 ~ –3.35, 1567~2221 Ma 1400~1889 Ma, — , , 关键词: ; U-Pb; ; 中图分类号: P597 文献标识码: A 文章编号: 0379-1726(2015)05-0450-19 Zircon U-Pb geochronology, geochemistry and Hf isotope compositions of the Dayang and Juzhou granites in Longyan, Fujian and their geological implications * WANG Sen, ZHANG Da , Absai Vatuva, YAN Peng-cheng, MA Shuai, FENG Hai-bin, YU Teng-da, BAI Yu and DI Yong-jun (State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing 100083, China) Abstract: In order to reveal the petroge